Began creating 'parent' components for the City and Location-specific parts of the UI

src/PersonObjects/Player/PlayerGeneralMethods.js

@@ -0,0 +1,12 @@
+import { PlayerObject }                         from "../../Player";
+import { Cities }                               from "../../Locations/Cities";
+
+PlayerObject.prototype.travel = function(to) {
+    if (Cities[to] == null) {
+        console.warn(`Player.travel() called with invalid city: ${to}`);
+        return false;
+    }
+    this.city = to;
+
+    return true;
+}